<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <!-- 引入 React 核心库 -->
  <script src="./js/react.development.js"></script>
  <!-- 用于支持 React操作DOM -->
  <script src="./js/react-dom.development.js"></script>
  <!-- 用于将 jsx转为js -->
  <script src="./js/babel.min.js"></script>

  <style>
    .title{
      background: orange;
    }
  </style>
</head>
<body>
  <div id="root"></div>
  <script type="text/babel">
    // 创建虚拟DOM
    // 添加class ==> className, 内敛样式： style="{{}}"
    const VDOM = <h1 className="title"><span style={{color:"blue"}}>hello React</span></h1>

    ReactDOM.render(VDOM,document.getElementById('root'))
  </script>
</body>
</html>